Equipment Type Commercial MowerLength 6"Shaft Size 1 3/4"Mounting Holes 3 3/4"PSI 1,000Hydro Gear is a world leader in the lawn and garden industryHydro Gear parts give you more bang for your buckThe patented technology used in this hydro pump is tested, proven, and well known throughout the industryFor proper ordering, reference Hydro Gear part number stamped on hydro pumpComes with a 6 month parts and labor warranty from the date of installationAlways make sure to replace the wheel motor and lines, flush the tanks, and install a new oil filter - failing to do so may cause the hydro pump to fail